Open AccessThe Astrophysical Observatory of the California Institute of Technology
Author(s) -
George E. Hale
Publication year - 1935
Publication title -
astrophysical journal/the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/143663
Subject(s) - observatory , physics , telescope , spectrograph , optical telescope , sky , astronomy , spectral line